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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7401792 | Sealing device and method for assembling the sealing device To provide a seal for a conducting element (3) which is positioned eccentrically in a through-hole (2) in a housing wall (1), a proposal is made for a sealing body (8) which can be moved in a radial direction (11) and which can be ... | 07/22/2008 |
| 7252293 | Two-part gasket for pipe-to-pipe connections A gasket for pipe-to-pipe connections, which is closely received within a rectangular-shaped annular groove in the bell end of a pipe, and provides a compressive, fluid-tight seal with the spigot end of another pipe. The gasket includes a two-part body having a subs... | 08/07/2007 |
| 7158034 | Pipe gasket manufacturing and identification method with RFID tracking An asset tracking system is provided, having particular usefulness in connection with the marking and tracking of sealing gaskets of the type used in water and sewage systems and in fluid conveyance systems generally. Interrogation of RFID tags located on the sealin... | 01/02/2007 |
| 7114727 | Seal assembly and method of forming seal A seal assembly comprising an elastomeric gland having insert openings and fastener openings. Elastomeric inserts are removably disposed in the gland insert openings. The inserts have removable portions to form cable openings. Cable(s) can be placed in the cable ope... | 10/03/2006 |
| 6843480 | Seal ring for well completion tools A high pressure ring seal for tube assembly joints provides structural foundation ring having inside and outside circumferential channels between end rims. The channels and rims are separated by a web of integral ring material. This web is perforated by a plurality ... | 01/18/2005 |
| 6834998 | Shaft bearing-seal assembly penetrating the wall of a pressure vessel A rubber laminated bearing-seal, consisting of multiple flat or curved alternate laminations of metal and rubber bonded together and having an aperture, is seated in an apertured receptacle in the wall of a pressure vessel and supports a shaft that penetrates the ap... | 12/28/2004 |
| 6575474 | Sealing element for cable fittings A sealing body (DK) for cable accessories is provided with cable entrance openings (KEU) in a separation plane (TE) of the sealing body (DK) and with cable entrances (KEN) outside of the separation plane (TE). In the cable entrances (KEN) outside of the s... | 06/10/2003 |
| 6524007 | Shaft bearing-seal assembly penetrating the wall of a pressure vessel A rubber laminated bearing-seal, consisting of multiple flat or curved alternate laminations of metal and rubber bonded together and having an aperture, is seated in an apertured receptacle in the wall of a pressure vessel and supports a shaft that penetr... | 02/25/2003 |
| 6367802 | Annular gasket with locking structure A locking annular gasket, for providing a seal between a tubular member and a smooth annular section, includes an annular gasket portion and a locking member. The annular gasket portion seals a gap between the smooth annular section and the tubular member... | 04/09/2002 |
| 6354596 | Post-tension anchor seal cap A seal cap (10) for use in sealing an end (20) of a tendon (14) anchored to an anchor plate (12). The seal cap (10) includes a receptacle (32) for holding therein a sealing agent (37). The seal cap (10) further includes a push nut (34) that grips to the t... | 03/12/2002 |
| 6290231 | Diverter flow line seal A diverter body having an upper portion, a central portion and a lower portion is secured to the upper end of a riser and lands in a housing. The central portion has lateral flow openings that axially align with a lateral flowline outlet in the housing. A... | 09/18/2001 |
| 6241254 | Detachable stationary sealing device The invention relates to the sealing of detachable joints of the pipelines and manifolds by using metal elastic gaskets. A detachable stationary sealing device comprises the flanges having sealing surfaces, being tapered for one of the flanges and concave... | 06/05/2001 |
| 6116614 | Sealing member A sealing member is provided which can be spirally wrapped around an elongate article (e.g., a cable) comprises a strip of sealing material (e.g., gel sealing material), and at least one series of gripping elements situated adjacent to the strip of sealin... | 09/12/2000 |
| 6089618 | Sealing device for pipes A sealing device for sealing an annular space between a socket and a spigot end introduced therein comprises a sealing ring (10) and an annular element (12) connected therewith and consisting of a non-elastic cellular plastic, for example styrene cellular... | 07/18/2000 |
| 5951022 | Fluid seal device with reinforced dynamic lip An improved fluid seal device or pressure seal of the type suitable for uses such as sealing an annular space between an internal surface and a member having an outer cylindrical surface is described. The seal includes a reinforced body formed of fabric r... | 09/14/1999 |
| 5927725 | Sealing device for a cavity of a waterproof connector housing A sealing device for a cavity into which a wire is inserted, the sealing device including an elastic sealing member which sealingly engages the inner surface of the cavity and the outer surface of the wire so as to prevent entrance of water into the cavit... | 07/27/1999 |
| 4834398 | Pipe gasket A pipe gasket is shown for use in forming a joint made up of an outer pipe having an annular groove therein for receiving the gasket and an inner pipe inserted within the outer pipe. The gasket includes a body formed from a resilient material having an in... | 05/30/1989 |
| 4693483 | Composite gasket and fitting including same A composite gasket for forming a seal between a pipe bell 52 and a spigot 58 comprises a major portion 12 of non-elastomeric plastic material and a minor portion 14 of elastomeric material. The minor portion is axially encased by the major portion. The mi... | 09/15/1987 |
| 4674756 | Structurally supported elastomer sealing element A sealing element which is particularly adapted for use in preventing fluid flow between threadably interconnected components. The sealing element comprises a rigid portion formed of metal or the like and an elastomeric material portion. These portions ar... | 06/23/1987 |
| 4637618 | Composite gasket and fitting including same A composite gasket for forming a seal between a pipe bell 52 and a spigot 58 comprises a major portion 12 of non-elastomeric plastic material and a minor portion 14 of elastomeric material. The minor portion is axially encased by the major portion. The mi... | 01/20/1987 |
| 4566704 | Sealing body for a pipe connection A sealing body for a pipe connection bonded chemically and/or mechanically to a fixation part being attachable to an end portion of a socket pipe. The fixation part consists of plastic material or of reticulated elastomer.... | 01/28/1986 |
| 4149731 | Packing for use in steel-pipe hydraulic testing apparatus A packing for use in a steel-pipe hydraulic testing apparatus, consisting of: an annular body having an annular cut in its inner peripheral portion; a plurality of backing pieces fastened to the wall of the annular cut at a given circumferential spacing a... | 04/17/1979 |
| 4085942 | Packing for use in steel-pipe hydraulic testing apparatus A packing for use in a steel-pipe hydraulic testing apparatus, consisting of: an annular body having an annular cut in its inner peripheral portion; a plurality of backing pieces fastened to the wall of the annular cut at a given circumferential spacing a... | 04/25/1978 |
